11445651651504 has 160 divisors (see below), whose sum is σ = 34531093868544. Its totient is φ = 3199418691840.

The previous prime is 11445651651487. The next prime is 11445651651541. The reversal of 11445651651504 is 40515615654411.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880159 + ... + 4864769.

Almost surely, 2^{11445651651504} is an apocalyptic number.

11445651651504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11445651651504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17265546934272).

11445651651504 is an abundant number, since it is smaller than the sum of its proper divisors (23085442217040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11445651651504 is a wasteful number, since it uses less digits than its factorization.

11445651651504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984815 (or 3984809 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 11445651651504 in words is "eleven trillion, four hundred forty-five billion, six hundred fifty-one million, six hundred fifty-one thousand, five hundred four".